<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一个页面</title>
</head>
<body>
    <script>
        document.write("buzhidao")
    
    
        let arr=[1,1,1,1,1,1]
        document.write(arr)
        document.write("我在")
    </script>
</body>
</html>